from redis import StrictRedis


class Config(object):
    """配置项目"""
    """工程配置信息"""
    SECRET_KEY = "EjpNVSNQTyGi1VvWECj9TvC/+kq3oujee2kTfQUs8yCM6xX9Yjq52v54g+HVoknA"
    ...

    DEBUG = True
    SQLALCHEMY_DATABASE_URI = "mysql://root:123456@127.0.0.1:3306/information"
    SQLALCHEMY_TRACK_MODIFICATIONS = False
    SQLALCHEMY_COMMIT_ON_TEARDOWN =True
    REDIS_HOST = "127.0.0.1"
    REDIS_PORT = 6379

    # flask_session的配置信息
    SESSION_TYPE = "redis"  # 指定 session 保存到 redis 中
    SESSION_USE_SIGNER = True  # 让 cookie 中的 session_id 被加密签名处理
    SESSION_REDIS = StrictRedis(host=REDIS_HOST, port=REDIS_PORT)  # 使用 redis 的实例
    PERMANENT_SESSION_LIFETIME = 86400  # session 的有效期，单位是秒
    LOG_LEVEL=DEBUG


class DevelopmentConfig(Config):
    """开发环境下的配置"""
    DEBUG = True


class ProductionConfig(Config):
    """生产环境下的配置"""
    DEBUG = False
    LOG_LEVEL = Warning


class TestingConfig(Config):
    """测试环境下的配置"""
    DEBUG = True


config={
    'development':DevelopmentConfig,
    'production':ProductionConfig,
    'testing':TestingConfig
}